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Observer lynn.zhang
Observer
122 Views
Registered: ‎01-27-2016

PHY loopback enable

Hi, I enabled the phy loopback from bootload on zc706 board, using petalinux 2018.2:

Zynq> mii dump 7 0
0.     (5000)                 -- PHY control register --
  (8000:0000) 0.15    =     0    reset
  (4000:4000) 0.14    =     1    loopback
  (2040:0000) 0. 6,13 =   b00    speed selection = 10 Mbps
  (1000:1000) 0.12    =     1    A/N enable
  (0800:0000) 0.11    =     0    power-down
  (0400:0000) 0.10    =     0    isolate
  (0200:0000) 0. 9    =     0    restart A/N
  (0100:0000) 0. 8    =     0    duplex = half
  (0080:0000) 0. 7    =     0    collision test enable
  (003f:0000) 0. 5- 0 =     0    (reserved)

After it bootup, if I ping from board to PC, it support to fail the ping? Now I'm still able to ping it.

Thanks

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1 Reply
Moderator
Moderator
74 Views
Registered: ‎12-04-2016

Re: PHY loopback enable

Hi

Can you once check the ping at linux level?

 

Best Regards

Shabbir

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